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Kasandra2007
a fost răspuns

Calculeaza:
(5x5)+(5x7)-(8x4+2x9)=
(4x9)+(7x5)-(8x5-3x5)=
(9x4-3x8)+(5x6+3x4)=
(85-79)x5+(2x9)=

Răspuns :

Klara0danyela
20+35-(32+18)=
=20+35-50=
=55-50=
=5

36+35-(40-15)=
=36+35-25=
=71-25=
=46

(36-32)+(30+12)=
=4+42=
=46

6x5+18=
=30+18=
=48

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